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Bushing Holder

by bilsef, published

Bushing Holder by bilsef Jun 24, 2012

Description

This parametric scad file can be customized to create bushing holders for SDP-SI press fit self aligning bushings. It can also create holders for delrin dowels to make 180 degree bushings. For my Y-Axis, I use two self aligning bushings on one shaft and two 180 degree bushings on the other shaft. Delrin (acetal) dowel pins are available from McMaster-Carr http://www.mcmaster.com/#plastic-dowel-pins or you can cut them from delrin rod. They will wear much better than PLA or ABS.

For the 180 degree bearings, you might have to print them a couple of times, making adjustments for your printer. You want them to be matched exactly to your shaft diameter.

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Instructions

The attached stl files are for 16mm self aligning bushings from SDP-SI and 1/8" x 1/2" long dowel pins from McMaster. They are set up for 8mm smooth rods. The bottom of the Y plate is 16mm from the center of the shafts. All of this can be adjusted in the OpenSCAD file.

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